fix build for idea plugin with usage statistics

usage-statistics/build.gradle.kts

@@ -7,8 +7,8 @@ plugins {
 jvmTarget = "1.6"
 
 dependencies {
-    testCompile(intellijDep()) {
-        includeJars("platform-api", rootProject = rootProject)
+    compile(intellijDep()) {
+        includeJars("platform-api", "platform-impl", rootProject = rootProject)
         isTransitive = false
     }
 }
@@ -17,3 +17,5 @@ sourceSets {
     "main" { projectDefault() }
     "test" {}
 }
+
+ideaPlugin()

usage-statistics/src/main/kotlin/org/jetbrains/kotlin/statistics/ProjectScopeStatsReporters.kt

@@ -6,10 +6,6 @@
 package org.jetbrains.kotlin.statistics
 
 import com.intellij.internal.statistic.service.fus.collectors.ApplicationUsageTriggerCollector
-import javax.annotation.processing.AbstractProcessor
-import javax.annotation.processing.Processor
-import javax.annotation.processing.RoundEnvironment
-import javax.lang.model.element.TypeElement
 
 open class KotlinStatisticsTrigger(private val groupIdSufix: String) : ApplicationUsageTriggerCollector() {
     override fun getGroupId() = "statistics.kotlin.$groupIdSufix"
@@ -23,7 +19,7 @@ class KotlinVersionTrigger : KotlinGradlePluginStatisticsTrigger("kotlin_version
 
 class KotlinProjectLibraryUsageTrigger : KotlinGradlePluginStatisticsTrigger("library")
 
-open class KotlinIdeActionTrigger(groupIdSufix: String? = null) : KotlinIdeStatisticsTrigger("action" + (groupIdSufix?.let { ".$it" } ?: ""))
+open class KotlinIdeActionTrigger(groupIdSufix: String? = null) : KotlinIdeStatisticsTrigger("action" + (if (groupIdSufix != null) ".$groupIdSufix" else ""))
 
 class KotlinIdeUndoTrigger : KotlinIdeActionTrigger("undo")